These springs are for the Gaydon era Vanquish that started in 2012. They do not fit the Newport Pagnell era Vanquish that ended production in 2006.
These are not available for purchase through Redpants for customers in Europe or Australia. VelocityAP has distribution agreements with companies in those countries so if you’re in either one, please visit them to order:
David Appleby Engineering (UK)